html {
  background-color: lightgoldenrodyellow;
  padding: 50px 50px;
}

a[class="feature"] {
  border: solid 1px #cecece;
  background: linen;
  padding: 15px 35px;
  user-select: none;
  border-radius: 10px;
  text-decoration:none;
  color: skyblue;
  font-weight: bolder;
  font-size: 1.2em;
  display: inline;
  margin: 20px 20px;
}

a[class="feature"]:hover {
  opacity: 0.7;
}